21815433

素因数分解:

$3^3\times {\mathrm{827}}^1\times {\mathrm{977}}^1$

素因数の和:1813

約数の個数: 16

約数和(自身を含む): 32391360

約数和(自身を除く): 10575927

約数列:

[1, 3, 9, 27, 827, 977, 2481, 2931, 7443, 8793, 22329, 26379, 807979, 2423937, 7271811, 21815433]

約数ペア:

[(1, 21815433), (3, 7271811), (9, 2423937), (27, 807979), (827, 26379), (977, 22329), (2481, 8793), (2931, 7443)]